I was recently asked to come up with some Java code that would convert Web pages into images.
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//Call the Web page and convert to Image
BufferedImage ire;
ire = WebImage.create("<web page URL>", 800, 600);
//You can convert the BufferedImage to
any format that you wish, jpg I thought was the best format
ImageIO.write(ire, "jpg", new File
("c:\\Temp\\tt.jpg"));
//Class that Converts the web page to Image
import java.awt.*;
import java.awt.image.*;
import javax.swing.*;
import javax.swing.text.*;
import javax.swing.text.html.*;
public abstract class WebImage
{
static class Kit extends HTMLEditorKit
{
public Document createDefaultDocument() {
HTMLDocument doc =
(HTMLDocument) super.createDefaultDocument();
doc.setTokenThreshold(Integer.MAX_VALUE);
doc.setAsynchronousLoadPriority(-1);
return doc;
}
}
public static BufferedImage create
(String src, int width, int height) {
BufferedImage image = null;
JEditorPane pane = new JEditorPane();
Kit kit = new Kit();
pane.setEditorKit(kit);
pane.setEditable(false);
pane.setMargin(new Insets(0,0,0,0));
try {
pane.setPage(src);
image = new BufferedImage
(width, height, BufferedImage.TYPE_INT_RGB);
Graphics g = image.createGraphics();
Container c = new Container();
SwingUtilities.paintComponent
(g, pane, c, 0, 0, width, height);
g.dispose();
} catch (Exception e) {
System.out.println(e);
}
return image;
}
}
Wouldn't it just be easier to hit the PrintScreen button or Alt+PrintScreen to bring up only the active window?
—Leonard V.
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This was first published in March 2007